package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class LoginUser {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("欢迎登录");
        System.out.println("请输入用户名:");
        String username = scanner.nextLine();
        System.out.println("请输入密码:");
        String password = scanner.nextLine();

        try (Connection connection = DBUtil.getConnection();){
            Statement statement = connection.createStatement();
            String sql = "SELECT id,username,password,nickname,age " +
                    "FROM user " +
                    "WHERE username='"+username+"' AND password='"+password+"'";
            System.out.println(sql);

            ResultSet rs = statement.executeQuery(sql);
            if (rs.next()) {
                System.out.println("登录成功！");
            } else {
                System.out.println("登录失败！");
            }



        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

}